CISA Known Exploited Vulnerability

CVE-2025-5777 Ransomware

Citrix · NetScaler ADC and Gateway

Citrix NetScaler ADC and Gateway Out-of-Bounds Read Vulnerability

Date added
BOD 22-01 due date
CWE CWE-125
Ransomware Known

CISA description

Citrix NetScaler ADC and Gateway contain an out-of-bounds read vulnerability due to insufficient input validation. This vulnerability can lead to memory overread when the NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.